A method and apparatus comprising a composite spar. The composite spar has a root section and a main section. The root section is closed and has a shape configured to be connected to a blade retention system. The main section has an open channel. The composite spar is configured for placement inside of a blade.
Composite propeller spar
Verbundstoffantriebsholm
Longeron d'hélice composite
27.02.2019
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
Composite aircraft propeller blade with an integrated spar
Europäisches Patentamt | 2021
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